@prexjs/toIdentifier

Convert phrases and strings containing spaces or punctuation into PascalCase JavaScript identifiers.

@prexjs/toIdentifier converts human-readable strings, error codes, and phrases (e.g. 'bad request', 'Not Found') into valid PascalCase JavaScript identifiers (e.g. 'BadRequest', 'NotFound').

Features

• Capitalizes words and strips non-alphanumeric/underscore characters.
• Fast string transformation with minimal allocations.
• Dual ES Module (.mjs) and CommonJS (.cjs) support with TypeScript definitions.
• Zero runtime dependencies.

Installation

Install using your preferred package manager:

# npm
npm install @prexjs/toIdentifier

# pnpm
pnpm add @prexjs/toIdentifier

# Yarn
yarn add @prexjs/toIdentifier

# Bun
bun add @prexjs/toIdentifier

Quick start

import toIdentifier from '@prexjs/toIdentifier';

console.log(toIdentifier('bad request')); // 'BadRequest'
console.log(toIdentifier('not found'));   // 'NotFound'
console.log(toIdentifier('I\'m a teapot')); // 'ImATeapot'

Both default and named exports are supported:

import toIdentifier, { toIdentifier as namedToIdentifier } from '@prexjs/toIdentifier';

Compatibility

@prexjs/toIdentifier runs anywhere ECMAScript executes (Node.js, Deno, Bun, browser).

License

This project is licensed under the MIT License. See LICENSE for the full license text.

Related projects

• prex.js — prex.js monorepo and ecosystem.